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CoSMS Workshop on Thermonuclear Reaction Rates

April 22, 2016

Chapel Hill, April 27, 2016; Great Room at Top of the Hill

Cosmic phenomena, including the origin of the universe, stellar explosions on the surface of white dwarfs, and the evolution of our galaxy, cannot be understood without a proper knowledge of thermonuclear reaction rates. This CoSMS workshop is designed tCoSMSworkshopo build a bridge between these phenomena (big bang, classical novae, and globular clusters) and their underlying nuclear physics processes. We will pursue two specific goals: first, to initiate a new program of computing new stellar models for novae that could impact the evolution of globular clusters; second, to build a significantly improved foundation for estimating thermonuclear reaction rates. Presentations will be given by selected faculty, graduate students, and undergraduate students. A poster session will accompany the scientific program.

 

Organizing Committee
Christian Iliadis (UNC and TUNL)
Richard Longland (NCSU and TUNL)
Jordi Jose (Barcelona)
Alain Coc (Orsay)

Classical Novae And The Physics Of Exploding Stars

April 21, 2016

Prof. Jordi José

Department of Physics, Polytechnic University of Catalonia, Barcelona

 

 

Abstract: At the turn of the 21st Century, new tools and developments, at the crossroads of theoretical and computational astrophysics, observational astronomy, cosmochemistry, and nuScreen Shot 2016-04-21 at 8.03.05 PMclear physics, have revolutionized our understanding of the physics of stellar explosions. The use of space-borne observatories has opened new windows to study the cosmos through multifrequency observations. In parallel to the elemental stellar abundances inferred spectroscopically, cosmochemists are now providing isotopic abundance ratios from micron-sized presolar grains extracted from meteorites. Encapsulated in those grains is pristine information about the suite of nuclear processes that took place in their stellar progenitors. The dawn of supercomputing has also provided astrophysicists withe appropriate tools to study complex physical phenomena that require a multidimensional approach. Last but not least, nuclear physicists have developed new techniques to determine nuclear interactions close to stellar energies. In this talk, a number of breakthroughs from all these different disciplines will be presented, with emphasis on the physical mechanisms that operate during nova explosions.